There is a lot of junk in space. And there looks to be more coming as private companies send more satellites into low-Earth orbit. Last week, SpaceX got conditional approval from the Federal Communications Commission to launch more than 4,000 satellites. Marketplace Tech host Jon Gordon speaks with Marcia Smith, editor at SpacePolicyOnline.com, about what happens when all those satellites — new and old — eventually stop working.

There is a lot of junk in space. And there looks to be more coming as private companies send more satellites into low-Earth orbit. Last week, SpaceX got conditional approval from the Federal Communications Commission to launch more than 4,000 satellites. Marketplace Tech host Jon Gordon speaks with Marcia Smith, editor at SpacePolicyOnline.com, about what happens when all those satellites — new and old — eventually stop working.